18582852 has 48 divisors (see below), whose sum is σ = 45581760. Its totient is φ = 5884032.

The previous prime is 18582821. The next prime is 18582869. The reversal of 18582852 is 25828581.

It is a self number, because there is not a number n which added to its sum of digits gives 18582852.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22918 + ... + 23714.

It is an arithmetic number, because the mean of its divisors is an integer number (949620).

Almost surely, 2^18582852 is an apocalyptic number.

18582852 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18582852, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22790880).

18582852 is an abundant number, since it is smaller than the sum of its proper divisors (26998908).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18582852 is a wasteful number, since it uses less digits than its factorization.

18582852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 900 (or 898 counting only the distinct ones).

The product of its digits is 51200, while the sum is 39.

The square root of 18582852 is about 4310.7832234990. The cubic root of 18582852 is about 264.8728570101.

The spelling of 18582852 in words is "eighteen million, five hundred eighty-two thousand, eight hundred fifty-two".